HT82M25B 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT82M25B

3/5-Key USB+PS/2 Optical Mouse Controller

Holtek Semiconductor 

Block Diagram

USBD+

USBD-

V 33O

O SC1

O SC2

USB

T r a n s c e iv e r

USB

R e c e iv e r

USB

T r a n s m itte r

V o lta g e

R e g u la to r

C lo c k

G e n e ra to r

RC

RESET

HT82M25X

R e g is te r

S et

U S B S e r ia l

In te r fa c e E n g in e

(S IE )

and

C o n tro l

L o g ic

H o lte k

8 - b it

M ic r o c o n tr o lle r

M a in

S ta te m a c h in e

F IF O s ´ 2

S u s p e n s io n

VDD

C o n tro l

VSS

Pin Assignment

VSS 1

V 33O 2

U S B D + /C L K 3

U S B D - /D A T A 4

RESET 5

S C L K /Z _ S E L 6

S D IO 7

NRESET 8

D P I_ S E L 9

R B 0 10

20 O S C 1

19 O S C 2

18 V D D

17 LE D

16 M

15 R

14 L

13 Z2

12 Z1

11 R B 1

H T 8 2 M 2 5 A /H T 8 2 M 2 5 A -1

2 0 D IP -A /S O P -A

VSS

1

V 33O

2

U S B D + /C L K

3

U S B D - /D A T A

4

RESET 5

S C L K /Z _ S E L 6

S D IO

7

NRESET 8

D P I_ S E L 9

18 O S C 1

17 O S C 2

16 V D D

15 LE D

14 M

13 R

12 L

11 Z2

10 Z1

H T 8 2 M 2 5 B /H T 8 2 M 2 5 B -1

H T 8 2 M 2 5 C /H T 8 2 M 2 5 C -1

Rev. 1.00

2

May 14, 2007

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